Home / 150,526.95-207,745.12-86,863.38

Finding the Fourth Proportional to 150,526.95, 207,745.12 and 86,863.38

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Solution

The fourth proportional to 150,526.95, 207,745.12 and 86,863.38 is: 119,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,526.95 : 207,745.12 = 86,863.38 : x
  2. Step 2: Convert to fraction form
    150,526.95/207,745.12 = 86,863.38/x
  3. Step 3: Cross multiply
    150,526.95x = 207,745.12 × 86,863.38
  4. Step 4: Simplify right side
    150,526.95x = 18,045,443,301.71
  5. Step 5: Solve for x
    x = 18,045,443,301.71/150,526.95
  6. Step 6: Final answer
    x = 119,881.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.